A Creator user could receive an error code 60011 when saving a data source in Web edit mode and the "let publishers embed credentials in a data source, flow, or workbook" is disabled.

After upgrading a multi-node environment from 2020.3 and earlier and a core license is used, the addition of the Prep Flow Authoring and Flow Service could cause one of the nodes to be unlicensed.

Backgrounders could be in an unlicensed state due to using Prep and non-Prep cores.

A downloaded workbook with multiple embedded extracts from published datasources could fail to refresh after republishing as a new workbook.

When trying to access a dashboard URL from a Kerberos SSO enabled Tableau Server, a user could be redirected to error code 43 and a login failed 401 response. This can occur when the Guest account is disabled at the site level but enabled at the global level.

Dynamic data parameters would sometimes not work correctly when using a published data source and the message would state "Error: Value couldn't be assigned to this parameter."

"Subscription is suspended" emails were being sent to users despite the global subscription setting being disabled in TSM and the user setting selected to not receive the emails.

Filtering from a URL query string would not respect the URL-encoded "+" sign.

After upgrading or installing 2020.4.X, the Data Server could fail to start or be unavailable.

The Site Administrator could modify a user's group membership even though Tableau Server was configured to only allow Server Administrators to manage users.

After an upgrade to 2020.3, loading a view containing a published extract could fail to load with the error, "Could not find Hyper hosts to connect to. Unable to connect to the Tableau Data Extract server. Check that the server is running and that you have access privileges to the requested database."